====================================== | [ 72.465979][ T2232] softirqs last disabled at (14929): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 72.465982][ T2232] Preemption disabled at: | [ 72.465982][ T2232] 0x0 | [ 72.465992][ T2232] Tainted: [W]=WARN [ 72.465993][ T2232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.465995][ T2232] Call Trace: [ 72.465996][ T2232] [ 72.465998][ T2232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.466004][ T2232] __might_resched.cold (kernel/sched/core.c:9234) [ 72.466009][ T2232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.466013][ T2232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 72.466018][ T2232] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 72.466020][ T2232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.466026][ T2232] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 72.466029][ T2232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.466032][ T2232] put_chars (drivers/char/virtio_console.c:1176) [ 72.466036][ T2232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.466038][ T2232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 72.466042][ T2232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 72.466048][ T2232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.466055][ T2232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.466058][ T2232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.466060][ T2232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.466064][ T2232] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.466068][ T2232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.466069][ T2232] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 72.466072][ T2232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.466074][ T2232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.466078][ T2232] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.466082][ T2232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.466084][ T2232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.466089][ T2232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.466092][ T2232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.466093][ T2232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.466096][ T2232] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 72.466099][ T2232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.466101][ T2232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.466104][ T2232] vprintk_emit (kernel/printk/printk.c:2479) [ 72.466108][ T2232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.466111][ T2232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.466115][ T2232] _printk (kernel/printk/printk.c:2504) [ 72.466118][ T2232] ? snapshot_read.cold (user.c:?) [ 72.466121][ T2232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 72.466123][ T2232] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.466127][ T2232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 72.466130][ T2232] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 72.466134][ T2232] ? exit_notify (kernel/exit.c:780) [ 72.466135][ T2232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.466138][ T2232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.466142][ T2232] do_group_exit (kernel/exit.c:1151) [ 72.466145][ T2232] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 72.466148][ T2232] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 72.466150][ T2232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.466153][ T2232] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 72.466157][ T2232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.466159][ T2232] RIP: 0033:0x7fbeb9ac51b8 [ 72.466161][ T2232] Code: Unable to access opcode bytes at 0x7fbeb9ac518e. Code starting with the faulting instruction =========================================== [ 72.466162][ T2232] RSP: 002b:00007fff589053e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.466165][ T2232] RAX: ffffffffffffffda RBX: 00007fbeb9bf5f88 RCX: 00007fbeb9ac51b8 [ 72.466166][ T2232] RDX: 00007fbeb9a03e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 72.466167][ T2232] RBP: 00007fff58905440 R08: 0000000000000000 R09: 0000000000001010 [ 72.466168][ T2232] R10: 00007fff58905280 R11: 0000000000000246 R12: 0000000000000002 [ 72.466169][ T2232] R13: 0000000000000000 R14: 00007fbeb9bf4680 R15: 00007fbeb9bf5fa0 | [ 167.479463][ T5081] softirqs last disabled at (27278): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 167.479466][ T5081] Preemption disabled at: | [ 167.479467][ T5081] 0x0 | [ 167.479477][ T5081] Tainted: [W]=WARN [ 167.479478][ T5081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.479479][ T5081] Call Trace: [ 167.479481][ T5081] [ 167.479482][ T5081] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 167.479488][ T5081] __might_resched.cold (kernel/sched/core.c:9234) [ 167.479492][ T5081] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 167.479496][ T5081] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 167.479501][ T5081] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 167.479503][ T5081] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 167.479509][ T5081] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 167.479512][ T5081] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 167.479515][ T5081] put_chars (drivers/char/virtio_console.c:1176) [ 167.479519][ T5081] ? __send_to_port (drivers/char/virtio_console.c:654) [ 167.479520][ T5081] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 167.479525][ T5081] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 167.479530][ T5081] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 167.479537][ T5081] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 167.479540][ T5081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 167.479542][ T5081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 167.479546][ T5081] console_emit_next_record (kernel/printk/printk.c:3183) [ 167.479550][ T5081] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 167.479551][ T5081] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 167.479556][ T5081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 167.479559][ T5081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 167.479564][ T5081] console_flush_one_record (kernel/printk/printk.c:3268) [ 167.479568][ T5081] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 167.479569][ T5081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 167.479574][ T5081] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 167.479577][ T5081] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 167.479579][ T5081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 167.479581][ T5081] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 167.479584][ T5081] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 167.479586][ T5081] ? vprintk_emit (kernel/printk/printk.c:2478) [ 167.479589][ T5081] vprintk_emit (kernel/printk/printk.c:2479) [ 167.479592][ T5081] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 167.479596][ T5081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 167.479599][ T5081] _printk (kernel/printk/printk.c:2504) [ 167.479603][ T5081] ? snapshot_read.cold (user.c:?) [ 167.479605][ T5081] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 167.479608][ T5081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 167.479611][ T5081] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 167.479614][ T5081] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 167.479618][ T5081] ? exit_notify (kernel/exit.c:780) [ 167.479620][ T5081] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 167.479622][ T5081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 167.479626][ T5081] do_group_exit (kernel/exit.c:1151) [ 167.479630][ T5081] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 167.479632][ T5081] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 167.479634][ T5081] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 167.479637][ T5081] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 167.479640][ T5081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 167.479643][ T5081] RIP: 0033:0x7f6b77e0d1b8 [ 167.479645][ T5081] Code: Unable to access opcode bytes at 0x7f6b77e0d18e. Code starting with the faulting instruction =========================================== [ 167.479646][ T5081] RSP: 002b:00007ffc549fcd68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 167.479648][ T5081] RAX: ffffffffffffffda RBX: 00007f6b77f3df88 RCX: 00007f6b77e0d1b8 [ 167.479650][ T5081] RDX: 00007f6b77d4aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 167.479650][ T5081] RBP: 00007ffc549fcdc0 R08: 0000000000000000 R09: 0000000000001010 [ 167.479651][ T5081] R10: 00007ffc549fcc00 R11: 0000000000000246 R12: 0000000000000002 [ 167.479652][ T5081] R13: 0000000000000000 R14: 00007f6b77f3c680 R15: 00007f6b77f3dfa0 | [ 368.768230][ T7650] softirqs last disabled at (35129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 368.768232][ T7650] Preemption disabled at: | [ 368.768233][ T7650] 0x0 | [ 368.768243][ T7650] Tainted: [W]=WARN [ 368.768244][ T7650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 368.768246][ T7650] Call Trace: [ 368.768248][ T7650] [ 368.768250][ T7650] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 368.768256][ T7650] __might_resched.cold (kernel/sched/core.c:9234) [ 368.768261][ T7650] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 368.768265][ T7650] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 368.768270][ T7650] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 368.768272][ T7650] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 368.768278][ T7650] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 368.768281][ T7650] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 368.768285][ T7650] put_chars (drivers/char/virtio_console.c:1176) [ 368.768288][ T7650] ? __send_to_port (drivers/char/virtio_console.c:654) [ 368.768290][ T7650] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 368.768295][ T7650] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 368.768300][ T7650] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 368.768307][ T7650] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 368.768317][ T7650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 368.768320][ T7650] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 368.768324][ T7650] console_emit_next_record (kernel/printk/printk.c:3183) [ 368.768328][ T7650] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 368.768329][ T7650] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 368.768333][ T7650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 368.768335][ T7650] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 368.768339][ T7650] console_flush_one_record (kernel/printk/printk.c:3268) [ 368.768343][ T7650] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 368.768345][ T7650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 368.768350][ T7650] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 368.768353][ T7650] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 368.768355][ T7650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 368.768357][ T7650] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 368.768360][ T7650] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 368.768362][ T7650] ? vprintk_emit (kernel/printk/printk.c:2478) [ 368.768365][ T7650] vprintk_emit (kernel/printk/printk.c:2479) [ 368.768369][ T7650] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 368.768372][ T7650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 368.768376][ T7650] _printk (kernel/printk/printk.c:2504) [ 368.768380][ T7650] ? snapshot_read.cold (user.c:?) [ 368.768383][ T7650] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 368.768385][ T7650] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 368.768389][ T7650] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 368.768391][ T7650] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 368.768395][ T7650] ? exit_notify (kernel/exit.c:780) [ 368.768397][ T7650] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 368.768400][ T7650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 368.768404][ T7650] do_group_exit (kernel/exit.c:1151) [ 368.768408][ T7650] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 368.768410][ T7650] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 368.768412][ T7650] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 368.768416][ T7650] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 368.768419][ T7650] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 368.768422][ T7650] RIP: 0033:0x7fcf852641b8 [ 368.768424][ T7650] Code: Unable to access opcode bytes at 0x7fcf8526418e. Code starting with the faulting instruction =========================================== [ 368.768425][ T7650] RSP: 002b:00007fffc1c21db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 368.768428][ T7650] RAX: ffffffffffffffda RBX: 00007fcf85394f88 RCX: 00007fcf852641b8 [ 368.768429][ T7650] RDX: 00007fcf84faefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 368.768430][ T7650] RBP: 00007fffc1c21e10 R08: 0000000000000000 R09: 0000000000000000 [ 368.768431][ T7650] R10: 00007fffc1c21bd0 R11: 0000000000000246 R12: 0000000000000001 [ 368.768432][ T7650] R13: 0000000000000000 R14: 00007fcf85393680 R15: 00007fcf85394fa0 | [ 1087.658439][T27727] softirqs last disabled at (38561): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 1087.658441][T27727] Preemption disabled at: | [ 1087.658442][T27727] 0x0 | [ 1087.658455][T27727] Tainted: [W]=WARN [ 1087.658456][T27727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1087.658457][T27727] Call Trace: [ 1087.658459][T27727] [ 1087.658460][T27727] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 1087.658467][T27727] __might_resched.cold (kernel/sched/core.c:9234) [ 1087.658472][T27727] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 1087.658475][T27727] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 1087.658480][T27727] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 1087.658483][T27727] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1087.658489][T27727] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 1087.658492][T27727] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1087.658496][T27727] put_chars (drivers/char/virtio_console.c:1176) [ 1087.658499][T27727] ? __send_to_port (drivers/char/virtio_console.c:654) [ 1087.658501][T27727] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 1087.658506][T27727] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 1087.658512][T27727] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 1087.658519][T27727] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 1087.658522][T27727] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1087.658524][T27727] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1087.658528][T27727] console_emit_next_record (kernel/printk/printk.c:3183) [ 1087.658532][T27727] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 1087.658533][T27727] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 1087.658537][T27727] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1087.658539][T27727] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1087.658543][T27727] console_flush_one_record (kernel/printk/printk.c:3268) [ 1087.658547][T27727] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 1087.658549][T27727] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1087.658554][T27727] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 1087.658557][T27727] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 1087.658558][T27727] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1087.658561][T27727] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 1087.658564][T27727] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 1087.658566][T27727] ? vprintk_emit (kernel/printk/printk.c:2478) [ 1087.658569][T27727] vprintk_emit (kernel/printk/printk.c:2479) [ 1087.658573][T27727] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 1087.658576][T27727] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1087.658580][T27727] _printk (kernel/printk/printk.c:2504) [ 1087.658584][T27727] ? snapshot_read.cold (user.c:?) [ 1087.658587][T27727] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 1087.658589][T27727] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 1087.658593][T27727] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 1087.658595][T27727] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 1087.658599][T27727] ? exit_notify (kernel/exit.c:780) [ 1087.658601][T27727] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 1087.658604][T27727] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1087.658608][T27727] do_group_exit (kernel/exit.c:1151) [ 1087.658612][T27727] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 1087.658614][T27727] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 1087.658616][T27727] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 1087.658620][T27727] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 1087.658623][T27727] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 1087.658625][T27727] RIP: 0033:0x7f83685281b8 [ 1087.658628][T27727] Code: Unable to access opcode bytes at 0x7f836852818e. Code starting with the faulting instruction =========================================== [ 1087.658629][T27727] RSP: 002b:00007ffc458d3528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1087.658632][T27727] RAX: ffffffffffffffda RBX: 00007f8368658f88 RCX: 00007f83685281b8 [ 1087.658633][T27727] RDX: 00007f8368465a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1087.658634][T27727] RBP: 00007ffc458d3580 R08: 0000000000000000 R09: 0000000000000000 [ 1087.658635][T27727] R10: 00007ffc458d33c0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print